28856989 (number)

28856989 is an odd 8-digits composite number following 28856988 and preceding 28856990. In scientific notation, it is written as 2.8856989 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 24131040 positive integers (up to 28856989) that are relatively prime to 28856989.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred fifty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.8856989 × 10^7
Engineering notation 2.8856989 × 10^6

Prime Factorization of 28856989

Prime Factorization 7 × 41 × 100547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28856989
Product of the distinct prime numbers

The prime factorization of 28856989 is 7 × 41 × 100547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28856989)

Multiplication

n×y
n×2 57713978
n×3 86570967
n×4 115427956
n×5 144284945

Division

n÷y
n÷2 14428494.5
n÷3 9618996.3333333
n÷3 7214247.25
n÷5 5771397.8

Exponentiation

ny
n2 832725814146121
n3 2.4029959658831E+22
n4 6.9343228154532E+29
n5 2.0010367720798E+37

Nth Root

y√n
2√n 5371.8701585202
3√n 306.72582126557
4√n 73.293043043117
5√n 31.049184840863

Divisors of 28856989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28856988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28856989 can be divided by 8 positive divisors. The sum of these divisors (counting 28856989) is 1, the average is 0.125.

Base conversion 28856989

Base System Value
2 Binary 1101110000101001010011101
3 Ternary 2000022002100101
4 Quaternary 1232011022131
5 Quinary 24341410424
6 Senary 2510301101
8 Octal 156051235
10 Decimal 28856989
12 Duodecimal 97b7791
16 Hexadecimal 1b8529d
20 Vigesimal 907299
36 Base36 h6i71

Cryptographic Hash Functions

md5 869ab3dca16908bc7f26666d3b6643a2
sha1 5b7406dc3010eec3f210a3972a79dffa4b9c1b5f
sha256 3e6d51268da4bfb248a79621f40bb094f8a23238e120f597c476e536e2c5a6a7
sha512 f277718db45e4ebd112a0d5cfc39921223e443e42b70a6ad7f99bfef7c5cb4cb0de6b503eff7398983e60436799a816633b3802c67fca069dcb207515a3e8c04
ripemd-160 d81d5632576f3c0cc1b0d410dd69e6d26a166c8e

28856989 as geometric shapes

Circle

Radius = n
Diameter 57713978
Circumference 181313809.29424
Area 2.616085300176E+15

Sphere

Radius = n
Volume 1.0065645964032E+23
Surface area 1.0464341200704E+16
Circumference 181313809.29424

Square

Length = n
Perimeter 115427956
Area 832725814146121
Diagonal 40809945.213051

Cube

Length = n
Surface area 4996354884876726
Volume 2.4029959658831E+22
Space diagonal 49981771.101456

Equilateral Triangle

Length = n
Perimeter 86570967
Area 3.6058085471881E+14
Altitude 24990885.550728

Triangular Pyramid

Length = n
Surface area 3.6058085471881E+14
Volume 2.8319579043997E+21
Height 13603315.071017